Bicycle



No. 6|7,273. Patented Ian. 3, I899.

F. P. BEMIS. I

BICYCLE.

(Application filed Aug. 25. 1896. (No Model.) 2 Sheets-Sheet J1.

No. 617,273. Patentedllan; 3, I899.

FFP. BEMIS.

BICYCLE.

(Applicakiop filed Aug. 25, 1896.)

(No Model.)

2 Sheds-Sheet 2.

m: mums PEYERS o0. Fumouma, WASNINGTON. n4 0 rrnn FREDERICK P. BEMIS, OFDAVENPORT, IOWVA.

BICYCLE.

SFECIFIGATION forming part of Letters Patent No. 617,273, dated January3, 1899. Application filedAugust 25,1896. Serial No. 603,909. (Nomodel..

To ctZZ whom it may concern: v

Be it known that I, FREDERICK P. BEMIS, a citizen of the United States,residing at Davenport, in the county of Scott and State of Iowa, haveinvented certain new and useful Improvements in Bicycles; and I dohereby declare the following to be a full, clear, and exact descriptionof the invention, such as will enable others skilled in the art to whichit appertains to make and use the same.

My invention relates to certain new and useful improvements in bicycles;and it especially relates to means whereby a vehicle having it appliedthereto may be propelled, in means whereby such a vehicle may be guided,in a seat and body-support for the rider, and in an air-plow to be usedin connection with a bicycle; and it especially consists in theconstruction, arrangement, and combination of the several parts of whichit is composed, as will be hereinafter more fully described and claimed.

Although in the accompanying drawings I have shown my propellingmechanism as ap plied to a bicycle, it will be obvious from thefollowing description that it may be applied with advantage Whenever itis desired to convert a reciprocating linear motion into a continuouscircular one.

Referring to the accompanying drawings, in which corresponding parts aredesignated by similar marks of reference, Figure l is a side elevationof a bicycle having my invention applied thereto. Fig. 2 is a frontelevation thereof. Fig. 3 is a plan view thereof with the rocker-arm andparts carried thereon removed for better illustration. Figs. 4 and 5 aredetailed views of one of the propelling-handles, the last-named figureshowing the clip to support it when not in use. Figs. 6 and 7 are detailviews of a driven pulley, showing the use of rollers to lessen thefriction between the pulley and the belt and the use of teeth to form apositive engagement. Fig. Sis a detail end view of a driven pulley,showing the manner of supporting its hood; and Fig. 9 is a frontelevation thereof, partly in section, mounted upon a fork. Fig. 10 is aplan view of the body-support adapted for male use. Figs. lland 12 areplan and side views, respectively, of a bod y-support adapted for femaleuse, the latter figure also showing the mounting of the seat-post. Figs.13 and 14C are side elevations of modified forms of bodysupports. Figs.15 and 16 are rear and side elevations, respectively, of an air-plow tobe supported on or carried in front of a bicycle.

Fig. 17 is a detail view showing the connec-' tion between the seat-postand the steering post applicable to the construction shown in Figs. 1,10, 11, 12, and 13.

In the accompanying drawings I have shown two forms of propellingmechanismviz., a manually and foot operated mechanism--and it is obviousthat these can be used together or separately, either by themselves asthe sole means of propulsion or in combination with any other approvedform of propulsive mechanism.

The manually-propelled mechanism is as follows: Upon each end of the hubof the front wheel A is secured a grooved pulley 2,

while upon the handle-bars B of the machine,

on each side of the steering-post C, is mounted a corresponding groovedpulley 3. By preference I make the handle-bars B in the form shown-thatis to say, with a crank in each side of the center, the idler-pulleys 3being each mounted on a diagonally-bored sleeve 4, suitably clamped onsuch crank portions of the handle-bar, whereby as the handle-bars may beturned in the clamp O on the head of the post 0 and be clamped thereinthe pulleys 3, owing to the circular path in which their hearings willtravel, may be caused to move away from or toward the pulleys 2 andforwardly or rearwardly to accommodate the rider, the diagonal boring ofthe sleeves permitting by their adjustment on the handle-bars the planeof rotation of the pulleys to be kept constant. Over the pulleys 2 and3, thus located on each side of the bicycle, is passed a flexibledriving connection 4:, hereinafter called the driving-belt, although itis not a continuous ring, inasmuch as it cut, and the ends formedthereby instead of being connected together are connected to apropelling-lever in the form of a handle 5. Each of these handlesconsists of a block 6 of proper size and shape to be grasped by thehand, being,-if desired, made of some porous yielding plastic material,which may be molded by the rider to fit While still soft, which closesthe rear and otherwise open end of a U shaped piece 7, the block havinga perforated projection 6" on the rear side thereof to permit thepassage of the thumb, and having a series of ears 6" to afford bearingsfor the ends of the fingers, whereby the block may be securely graspedin order to permit the rear end of the handle to be raised by a wristmotion analogous to the motion of the wrist in feathering an oar. Thedowncoming end 4 of the belt 4 is attached to the curved front end ofthe U-shaped piece of the corresponding handle, the upcoming end 4thereof passing over the rear surface of the block and being securedthereto, it passing over the periphery thereof between the forefingerand the thumb. Any slack in the belt caused by a variation in thedistance between the pulleys 2 and 3 may be taken up by tying a looptherein or it may be taken up by any approved clamping device. A pulley8, which will hereinafter be called the transverse pulley t0distinguishit from the pulleys 2 and 3, the former of which will becalled driven pulleys, which are longitudinal, is adj ustably mounted ona stud 9, projecting in the plane of the machine from the steeringpostand adjustable in this plane by the clamping pivotal connection B andhas passing over it a strand 10, having its opposite ends secured to theopposite propelling-handles, whereby they are caused to move in oppositedirections.

Such being the construction, it will be seen that if one handle 5 betilted by the wrist motion, hereinbefore referred to, so that its rearend is raised, as is shown in the near handle in Fig. 1, which handle isrepresented as completing its upstroke, the belt 4: will be made tautand will bind 011 the pulley 2, and if at the same time the same handlebe raised bodily the driving-belt will be moved in the direction of thearrow and will turn the forward wheel in a direction to propel thebicycle. As the opposite handle is being simultaneously depressed andthe power imparted thereto is in excess of that required so to do, thesurplus will assist in raising the firstnamed handle through the strand10. It will, moreover, be seen that if the pulley 8 be placed in therear of the line joining the pulleys 2 and 3 the strain thus imparted tothe upcoming handle by the strand 10, assisted by the pull of the riderapplied thereto from the rear, will draw the upcoming handle toward therear and backward of the said line, and thus assist in taking up theslack in the belt 4:, and under certain conditions this maybe sufficientto produoe'the desired tightening of the belt without the tilting ofthehandles. By merely taking up the slack in the belt in any desired mannerand holding the handles stationary the friction between the belt andpulley 2 will serve as a brake to stop the bicycle. When a handle hasreached the limit of its upstroke, its rear end may be lowered by areverse wrist motion to cause it to assume the inclination of the offhandle in Fig. 1 and to slacken the belt so as to permit it to passwithout friction over the pulley 2, when the handle may be again presseddown preparatory to another upstroke.

The driving-belt 4 may be in the form of a chain, belt, or cord and maybe of different cross-sections and of different constructions atdifferent points; but a sprocket-chain is objectionable, as it does notlend itself to braking in the manner before described, and if it isdesired to form a positive engagement between the belts and the pulleys2 the latter may have rearwardly-facing teeth 11 in the groove thereofand the belt have forwardlyfacing teeth 12 to engage therewith on itsforward movement, the inclined faces of these teeth sliding over eachother when the belt is slackened and movedin an opposite direction.

The movements of the handles may be checked by attaching thereto acord13, either composed of an elastic fabric or formed by a non-elasticfabric connected to a spiral spring 14, which is in turn secured to aclip 15, fastened, for instance, to the steering-column D between theupper and lower ends of the stroke of the handles. If such a cord besecured to the rear portion of a handle, as is shown, the point ofattachment being on the rear face of the handle-block 6, it will be seenthat when the handle is stopped at the upper end of its path by thiscord its rear end will be pulled down thereby, thus slackening the belt4, as is necessary, while when the handle is stopped at the lower end ofits path its rear end will be drawn up, tightening the belt. Moreover,the reaction of the spring when a handle is stopped at the end of itsupstroke will be imparted through the strand 10 to the opposite handle,which has just completed its downstroke, and will aid the springattached to the latter handle in giving an initial upward movementthereto.

Suitable springcatches 15 may be providedfor instance, mounted upon theclips 15, as is shown-to hold the handles 5 in the proper position toslacken the belts when the manually-propelled mechanism is not in use.

In order to prevent the belts 4 from slipping otf the pulleys whenslackened and to prevent the catching of apparel, &c., between them, Iprovide hoods 16 and 17, closely fitting over a portion of the peripheryof the pulleys 2 and 3, respectively, the hoods 16 of the pulleys 2being secured upon the lower ends of the forks D and being by preferencemade by a semicircular plate 16, having a flange 16 bent upon its curvededge, which fits over the pulley, the plate having a channel 16 thereinin which the fork fits.

In order to reduce the friction attendant upon the rearward movement ofthe belt 4 upon the forwardly-rotatin g pulley 2, pockets 2 may beformed in the periphery of the latter, as shown in Figs. 6 and 7, inwhich are contained antifriotion-rollers 18, the pinions 18 of whichrest on blocks 18, mounted in slots 2 in the sides of the pulley and arepressed outwardly therein by spiral springs 19. By this constructionwhen the belt is taut the rollers are forced within their pockets andthe belt bears directly upon the periphery of the pulley and bitesthereon, while when the belt is slackened the rollers are forced out bythe springs and by centrifugal action and lift the belt from'theperiphery of the pulley, and'will, when the belt is drawn rearwardly,permit such motion with a minimum of friction. It is obvious that suchrollers may be used in connection with the toothed driving-wheel 2, suchas before. described, in order to lift the belt from off the teeththereof, and I have so shown in the accompanying drawings. I prefer, asshown, to form the slots 2 not radially in the pulleys, but with aninclination outwardly and toward the rear, whereby the forward movementof the belt will have a tendency to force the rollers in and a rearwardmovement of the belt to force them out, as is desired.

In Figs. 8 and 9 I have shown a construction by which a change of gearmay be readily effected, which consists in forming a plurality ofgrooves in each of the pulleys 2, the grooves being of increased depthtoward the outer ends of the pulleys, and in any of these the belt 4:may be placed. To permit this, the hood is not rigidly mounted on theshaft of the wheel or on the fork D, but is supported from the latter byspring-arms 16, whereby it may be moved longitudinallyin respect to theaxis of the pulley to permit the channel 16 in the flange 10 thereof(and in which the belt will be located when it is desired to change thegear) to be moved over the desired groove, after which the channel 10 ofthe flange will be carried by the spring of the arms 16 back over thegroove near the wheel. I may, moreover, if I so desire, provide a footpropulsive mechanism of the same general character as the manualpropulsive mechanism before described, and may apply such a mechanism aswell as the manual mechanism to either the rear or front wheels or tothe crank-shaft in lieu of using the cranks and pedals now commonlyemployed, and in the accompanying drawings I have shown one method ofaccomplishing this result. 2, are mounted upon the hub of the rear wheelE, while idler-pulleys 3, similar to the pulleys 3, are mounted inbrackets 9, adjustably clamped on the rear forks F, and over thesepulleys belts 4 similar to the belts 4, may pass, the substitutes forthe handles 5 being formed by pedals 5 having the downc-oming end of thebelts attached thereto in the rear of the point of attachment of theupcoming end thereof, wherebyadvantage is taken of the natural stroke ofthe leg-t'. 6., the habit of drawing up thetoe and extending the heelwhen straightening the leg-to tighten the belt,which is done by theheel-pressure upon the foot-plate 20 of the pedal in the rear of thepoint of attachment of the upcoming end of the belt, as is shown in theoff pedal in Pulleys 2, similar to the pulleys Fig. 1,while the reverseis the case when the foot is lifted. It will be noticed as thepropulsive effort must be obtained upon the downstroke of the pedal(unless the drivingbelt be crossed or some equivalent construction be'used) that the pedals must be in front of the pulleys 2 and 3and that atransverse pulley 8, similar to the pulley 8, may be mounted in brackets9, adjustably mounted on the upper main tube I of the frame to receivethe reciprocating strand 10', similar to the strand 10, having its endsattached to the stirrups 2O upon the foot-plates of the opposite pedals.Such a transverse pulley and strand,when the former is placed in frontof the pulleys 2' and 3,will, moreover, tend, as has been stated inrespect to the corresponding devices in the manually-operated mechanism,to tighten the driving-belt on a downstroke of the pedal, and this willbe assisted if the rider be behindthe prolongation of the line joiningthe pulleys 2 and 3 and will be by the tendencyimparted by the foot toshove the pedal forward. It is also obvious that, if desired, the pedalsmay be checked by elastic cords attached to the rear end thereof andoperating in the same manner as the cords 13.

The several pulleys S, 8, 2', and 3 may be all hooded, if desired, inthe manner before described in reference to the pulleys 2 and 3.

In order to permit the ready insertion and removal of the feet, thestirrup-pieces. 20 should be cut away on the outer sides of the pedals,above the foot-plates thereof, and, if desired, a top clip 20 may beplaced upon the toe of eachof the said plates. A light guardstrip 21 maybe placed upon each side of the rear wheel between the stays Gand themain upright H to prevent the catching of the foot in the spoke of thewheel, and this will, moreover, serve to steady the pedals when thelatter are not being reciprocated.

In connection with the driving mechanism before described I prefer touse the hereinafter described means forsupportin g the rider in aneffective position to use the said driving mechanism; but it is believedthat such a support will also be found to beef service in connectionwith the ordinary forms of pro pulsion.

The saddle 24 is adjustably carried on the rear end of the bentrocker-arm 25, pivoted by a clamp-collar 25, adjustable thereon, to thesaddle-post 26 at a point in front of the saddle, the rocker-armcontinuing forwardly in front of the pivotal point thus formed and beingbroadened out and having a pad or aircushion 27 on its upper face uponwhich the chest or the front portion of the body (or the head) of therider may rest. It will be seen that by such a construction the saddlewill always be adjusted to aiford a bearing for the rider to conform tothe inclination of his body, for the inclination of the rocker, whichcontrols the inclination of the saddle, depends upon the inclination oftherider. By preference, instead of carrying the cushion 27 directlyupon the forward end of the rockerarm I mount it upon a telescopicextension 25 thereof, pivoted transversely at 25 to the rocker-arm andcapable of being clamped thereon at any angle to suit the comfort of therider. Springs 28, attached to the frame and to the rocker-arm in thefront and in the rear of the pivotal point of the latter and which maybe shortened in any desired manner, provide for the desired limitationson the movement of the rocker-arm.

To provide a support for female use, the construction, but not theprinciple, is somewhat modified, as is shown in Figs. 11 and 12. Theclamping-collar 30, similar in function to the collar 25, is adapted toreceive and adjustably hold two arms 31 and 32, the one above the other,the upper arm 31 supporting the saddle 24 at its rear end, while thelower arm 32 has its rear end bent around and continued forwardly, itbeing brought upwardly and to one side and then in and continued on thecenter line of the machine, as shown, and being provided with thetransverse pivot 25 and pad 27, as before described, the tele scopicadjustment being furnished by sliding the arm 32 in the clamping-collar30.

In Fig. 13 I have shown a modified form of body-support in which asleeve 33 is adjustably clamped on the saddle-post and receives a collar34, the collar having-cheeks 34 thereon, between which is pivoted aplate 35 on the rear end of the bent arm 35 of the bodysupport, the armbeing locked to the cheeks by a locking-pin 35 engaging corrugations 34on the periphery of one of the cheeks. The arm 35 may be telescopic andprovided with a pad 27. In this construction the saddle is rigidlysupported and only the support is movable in a transverse direction. Thecollar 34 may have lugs 52 projecting therefrom to afford a means ofconnecting it to the steering-head, as will be hereinafter described inrelation to Fig. 12. In order to positively limit the movement of thearm 35 from side to side, a projection 33 may be formed upon the sleeve,engaging in a recess 34 in the collar, while spring-stops for suchmovement of the arm may be provided by springs 36, projecting from thehorizontal part of the saddle-post, to which they are secured. I do not,however, in this application specifically claim the construction shownin Fig. 13, as that forms the subjectmatter of another application filedby me on February 13, 1897, and serially numbered 623,208, the samebeing a division hereof.

In Fig. 14 I have shown another form of body-support combined with arigidly-supported saddle. In this figure,while the bodysupport isadjustable, it has after it has been once set only a limited movementdue to its flexibility, and, as shown, I prefer to make the arm 37 ofthe support of a yielding construction, such as of a thin strip ofhickory, which is twisted around a quarter revolution, so that its shortaxis is transverse in one por tion and in the plane of the machine inanother, the last-named portion being near its upper end,which isbroadened out into a rest, which is thus given a yielding support in avertical plane to lessen jars,while the portion in which the short axisis transverse is near the point of support of the arm and permits therest to be moved from side to side, as may be desired,the spring thereoftending to always return to the medial line. Such an arm may besupported by a clip 38, such as shown on the upper tube I of the framein front of the saddle-post. I do not, however, in this applicationspecifically claim the construction shown in Fig. 14, as it forms thesubjectmatter of another application filed by me March22,1897,andseriallynumbered 628,689, the same being a division hereof.

As the riders hands will be engaged in the propulsion of the bicycle thelatter may be guided by mounting the saddle-post 26 loosely in the mainupright H and connecting the steering-post therewith, so that by turningthe saddle-post through the breast-rest the steering-post will be turnedalso. Aconvenient form of mounting for the post is that shown in detailin Fig. 12, in which a tube 48, having a closed lower end, is insertedin the upright, the saddle-post being secured therein at any desiredheight by the clamp 48. A block 49 is fixed within the main upright,and, as shown, this block has a recessed top, the recess being a flatbottom connected to the edges by an annular groove. The lower end of thetube 48 is closed, its bottom being fiat and being united to its sidesby an annular groove, and between the flat bottom of the tube and thefiat face of the block and between the grooves thereof are containedantifriction-balls 50. A ball-bearing is also formed at the top of themain upright by forming a shoulder 48 on the tube 48, balls 51 beingcontained therein and held in place by the cap 51. These bearings permitthe turning of the saddle-post and tube 48 by which it is carried with aminimum of friction and allow the ready adj ustment of the saddle to anydesired height. Lugs 52 project from one side of the tube 48, while thesteering-post has a corresponding arm 52 Fig. 17, projecting from theside thereof, the two arms being connected by a rod 52, running alongthe upper tube of the frame, the ends of the rod being bent, as at 52this bending by the spring imparted to the rod thereby preventing jarsupon the steeringpost being directly imparted to the saddle. From thisconstruction it is obvious that upon rotating the saddle-post in themain upright a similar rotation will be imparted to the steering-post,it being advisable to connect the two in such a manner that the angularmovement of the latter is greater-say, for instance, twice as muchthanthat of the former. It will be also seen that this rotation may beimparted to the saddle-post by swinging the saddle,which is carriedthereon ICC and in the rear thereof, from side to side of the machine orby a leverage exerted on the breast-rest by the front of the body, andit is to be observed that this side motion of the body in swinging thebreast-rest exactly corresponds to the natural motion of the body inturning a curve.

I may, if I so desire, attach to the steeringhead an air-plow, and Iprefer to make this in the form shown in Figs. 15 and 16, in which theplow is shown as supported on a telescopic brace 56, adapted to beclamped and vertically adjustable on the steering-post, so that it turnstherewith, the outer and forward member 56 of the telescope beingsecured to the upright 57 of the frame of the plow, the said frame beingcomposed of the said upright and the transverse top and bottom members57, the whole being the form of a double T. The side wings 58 arecomposed of sheet metal and bent over the upright 57 and carriedrearwardly therefrom on each side, while the top and bottom wings 58 arerigidly attached to the topand bottom members of the frame by carryingthe front edges thereof around the same, the front edges of the top andbottom wings extending sufficiently in front of the frame to be belowand above, respectively, the top and bottom of the side wings. From thisconstruction it follows that the wings 58 and 58 may be bent upon theframe to vary their spread, which will determine the area protected bysuch a plow, the spread being varied for different speeds. In order toprovide a ready means for effecting this variation in spread, I pivot tothe rear of each of the wings one end of a toggle-arm 59, the oppositeend of which is pivoted to a sleeve 59, mounted on the outer member 56of the telescopic brace and adjustable thereon, and it will be seen thatby moving this sleeve upon the brace the spread of the wings will bevaried. The wings throw the air outwardly and a comparatively small plowmay be used to give extensive projection to the rider.

By the term levers in the claims I do not limit myself only to a deviceadapted to be grasped by the hand, but I also desire to include a deviceadapted to afford a bearing for the foot or other reciprocating partunless the context of the claims otherwise limits the term; but

WVhat I do claim, and desire to secure by Letters Patent, is-- 1. In adevice for transmitting power, the combination with a pulley and aguide, of a reciprocating belt passing over the pulley and guide andimparting motion to the pulley, and atilting lever interposed within thebelt and having the oppositely-disposed ends of the belt connectedthereto at difierent points whereby the ends of the belt may be moved inwith respect to each other and whereby the belt may be tightened and thepulley driven upon the travel of the lever in one direction and the beltloosened and drawn over in the pulley on an opposite movement of thelever, substantially as described.

2. In a device for transmitting power, the combination with two pulleys,of a belt passing thereover and imparting motion thereto, and a tiltinglever to which the two ends of the belt are connected at differentpoints, the lever tilting around a point which is between the points atwhich the ends of the belt are connected,.the power being applied to thetilting lever between the points of attachment of the ends of the belt,substantially as described.

3. In a device for transmitting power, the combination with a pulley andguide, of a belt passing thereover and imparting motion to the pulley,and a lever to which the two ends of the belt are connected at differentpoints, the lever tilting around apoint which is between the pointsat-which the ends of the belt are connected, the power being applied tothe lever between the points of attachment of the ends of the belt andnearer the point of attachment of one end than the point of attachmentof the other end, substantially as described.

4. In a device for transmitting power, the combination with two pulleys,of a belt passing thereover and imparting motion thereto, a lever towhich the two ends of the belt are connected at different points and astop for the lever which is thereby tilted, substantially as described.

5. In a device for transmitting power, the combination with two pulleys,of a belt passing thereover and imparting motion thereto, a lever towhich the two ends of the belt are connected at different points, andspringstops for one end of the lever at the end of its path of motion,which is thereby given an initial movement on each stroke and tilted,substantially as described.

6. In a device for transmitting power, the combination with two pulleysand guides, of an independent belt passing over each pulleyand guide andimparting motion thereto, a tilting lever for each belt to which theends of the corresponding belt are attached at different points, and astrand connecting the levers, whereby the belts are caused to move inopposite directions and the levers tilted, substantially as described.

'7. In a device for transmitting power, the combination with twopulleys, of an independent belt passing over eachpulley and impartingmotion thereto, a lever for each nately slackencd and tightened,substantially as described.

8. In a device for transmitting power, the combination with two pulleys,of an independent belt passing over each pulley and imparting motionthereto, a lever for each belt to which the ends of the correspondingbelt are attached at different points, a strand connecting the handles,whereby the belts are caused to move in opposite directions, andspring-stops to limit the movement of the ends of the said levers,whereby they are tilted, an d given an initial movement on each strokeand tilted, thereby alternately tightening and loosening the belts,substantially as described.

9. In a propelling mechanism for cycles, the combination with a pulleyon each end of a wheel-hub, an idler-pulley on each side of the frame, adriving-belt on each side of the cycle and passing overthe pulleys onthe corresponding side, and a tilting lever interposed within each beltand having the oppositelydisposed end of the belt connected thereto atdifferent points, whereby the ends of the belts may be moved in respectto each other, and whereby the belts may be tightened and the pulleydriven upon the travel of the lever in one direction, and the beltloosened and drawn over the pulley on an opposite movement of the lever,substantially as described.

10. In a propelling device for cycles, the combination with a pulley oneach end of a wheel-hub, an idler-pulley on each side of the frame, adriving-belt on each side of the cycle. passing over the pulleys on thatside, a tilting lever for each be t to which the opposite ends of thecorresponding belt are attached at different points, whereby the beltsmay be tightened and loosened when reciprocated, a transverse pulley,and a strand passing over the transverse pulley and connected with thelevers, whereby the levers are tilted, substantially as described.

11. In a propelling device for cycles, the combination with a groovedpulley on each end of a wheel-hub, of an adjustable idlerpulley on eachside of the cycle, a drivingbelt on each side of the machine passingover the pulleys on that side, means whereby the belts may bereciprocated and tightened and loosened while reciprocated, a transversepulley, adjustable in the plane of the machine as to position andinclination, and a strand passing over the transverse pulley andconnected to the opposite belts, substantially as described.

12. In a bicycle-propelling device, the combination with a groovedpulley on each side of the front-wheel hub, of a handle-bar cranked oneach side of its pivoted center, means for locking the handle-bar inposition, a stud projecting from the steering-post, an idler-pulleylocated on the crank portion of the handle-bar on each side of itspivoted center, a driving-belt on each side of the machine passing overthe pulleys on that side thereof, means whereby the belts may bereciprocatecl and tightened and loosened while reciprocated, atransverse pulley adj ustably mounted on the stud, and a strand passingthereoverand connected to the opposite belts, substantially asdescribed.

13. In a propelling device for cycles, the combination with a pulley oneach end of a wheel-hub thereof, an idler-pulley on each side of theframe, a normally loose drivingbelt on each side of the frame passingover the pulleys on that side thereof, atransverse pulley mounted uponthe cycle on one side of the line joining the driven and idler pulleys,a strand passing over the transverse pulley and having its opposite endssecured to one ply of each of the opposite belts, and means whereby thebelts may be reciprocated, substantially as described.

14. In a cycle, the combination with a grooved pulley on each side ofthe hub of a wheel, a handle-bar governing the position of the saidwheel and pivoted on a horizontal pivot and having a crank on each sideof its pivoted center, means for locking the handlebar against movementon its horizontal pivot, pulleys mounted on the cranked portion of thehandle-bar, whereby their position may be varied by turning thehandle-bar upon its horizontal pivot, belts passing over the pulleysonthe corresponding sides of the cycle, and means for imparting motion tothe belts, substantially as described.

15. In a cycle, the combination with a grooved pulley on each side ofthe hub of a Wheel, a handle-bar governing the position of the saidwheel and pivoted on a horizontal pivot and having a crank on each sideof its pivoted center, means for locking the handlebar against movementon its horizontal pivot, diagonally-bored sleeves on the cranked portionof the handle-bar on each side of its pivoted center, pulleys mounted oneach sleeve, whereby the position of the pulleys and their inclinationmay be varied, belts passing over the pulleys on each side of the cycle,and means for imparting motion of the belts, substantially as described.

16. A pulley having a series of pockets in its periphery, in combinationwith rollers contained in the pockets and moving in a path inclinedrearwardly and inwardly, the axes of the rollers being parallel with theaxis of the pulley, and a reciprocating belt passing over the pulley andimparting a continuous rotary motion thereto, substantially asdescribed.

17. A pulley having a series of pockets in its periphery, in combinationwith springpressed rollers contained in the pockets and moving in a pathinclined rearwardly and inwardly, the axes of the rollers being parallelwith the axis of the pulley, and a reciprocating belt passing over thepulley and imparting a continuous rotary motion thereto, substantiallyas described.

18. In a device for transmitting power, the combination with a pulleyhaving a series of pockets in its periphery, of rollers contained in thepockets and moving therein, the axes of the rollers being parallel withthe axis of the pulley, means for moving the rollers outwardly in theirpockets upon a motion of the belt in one direction and a reciprocatingbelt passing over the pulley and imparting a continuous rotary motionthereto, substantially as described.

19. In a propelling device for bicycles, the combination with twopulleys of a belt passing thereover, a lever reciprocating between thepulleys and to which the ends of the belt are attached at differentpoints, whereby the belt may be reciprocated and tightened and loosened,and holders adapted to hold the beltlever in a position to slacken thebelt when not in use, substantially as described.

20. In a propelling device for cycles, the combination with a pulley oneach end of a wheel-hub thereof, an idler-pulley on each side of theframe, of a belt. on each side of the machine passing over the pulleyson that side, thereof, a pedal on each side of the machine, consistingof a foot-plate to which the upcoming end of the corresponding belt isat tached in front of the downcoming end of the same belt, astirrup-piece attached to the plate, and a transverse pulley, and astrand passing over the transverse pulley and attached to thestirrup-piece of the opposite pedals, substantially as described.

21. The combination with a pulley having a series of grooves therein ofdifferent depths, of a hood therefor, having a channeled flange movableon the pulley in the line of its axis,

substantially as described.

22. A body-support, consisting of an arm secured at its rear end on theframe of a bicycle, its forward end in front of its point of attachmentto the bicycle being adapted to support the body and to swing from sideto side of the bicycle, substantially as described.

23. A body-support, consisting of an arm adapted to be pivoted near itsrear end on the frame of a bicycle, its forward end in front of itspivotal point being adapted to support the body, and to swing from sideto side of the bicycle, substantially as described.

24. The combination, with a bicycle, of a body-support consisting of anarm pivoted near its rear end to the frame of the bicycle, its forwardend in front of its pivotal point being adapted to support the body andto swing from side to side of the bicycle, the said arm being connectedto the steering-post of the bicycle, substantially as described.

25. The combination with an arm, of a seat mounted on one end thereof,the opposite end of the arm projecting forwardly to support the front ofthe body, the arm being pivoted between the seat and body-supportwhereby it may be swung transversely, substantially as described.

26. The combination with an arm pivoted to swing in a vertical plane, ofa seat mounted thereon, the arm projecting forwardly to support thefront of the body, substantially as described.

27. The combination with a rocker-arm, of a seat mounted 011 one endthereof, the opposite end of the arm projecting forwardly to support thefront of the body, the arm being pivoted between the seat andbody-support whereby itlmay swing transversely, substantially asdescribed.

28. The combination with a rocker-arm, of a seat mounted on one endthereof, the opposite end of the arm projecting forwardly to support thefront of the body, and means whereby the arm is pivoted, and wherebyitspivotal point may be shifted along its length, substantially asdescribed.

29. The combination with a pivotally-supported rocker-arm, of a seatmounted on one end thereof, and a telescopic chest-supporting extensionadjustably secured to the opposite end of the rocker-arm, substantiallyas described.

80. The combination, in a body-support for cyles, of a saddle-post, arocker-arm adjustably pivoted thereto, a seat mounted on the rear endthereof, and a telescopic chest-supporting extension adjustablysupported on the forward end of the rocker-arm, substantially asdescribed.

31. The combination with a rocker-arm, of a seat mounted on one endthereof, the opposite end of the rocker-arm projecting forward tosupport the front of the body, the rocker-arm being pivotally supportedbetween the seat and pad, and astop to limit the movement of therocker-arm, substantially as described.

32. The combination in a cycle, of a looselymounted saddle-post, arocker-arm pivoted thereon, a saddle supported on the rockerarm in therear of its pivotal point, the opposite end of the rocker-arm forming abodysnpport for the front of the body, and a connection between thesteering-post of the cycle and the saddle-post, whereby the swinging ofthe rocker-arm from side to side will guide the cycle, substantially asdescribed.

33. The combination in a cycle, with an arm, of a seat carried thereon,the forward end of the arm forming a body-support for the front of thebody, the arm being vertically pivoted to the frame of the cycle, and aconnection between the arm and steeringpost, whereby the cycle may besteered by the swinging of the arm from side to side,

substantially as described.

34:. The combination in a cycle, with an arm, of a seat carried thereon,the forward end of the arm forming a support for the front of the body,the arm being pivoted to the frame between the seat and body-support,and a connection between the arm and the steering-post, whereby thecycle may be' steered by the swinging of the arm from side to side onits pivot, substantially as described.

plow having side wings and means whereby l tom members of the frame, asupport for the the spread of the wings may be varied when in use,substantially as described.

37. As an attachment for. bicycles, an airplow having side and top andbottom wings, and means whereby the spread of the wings may be varied bybending them behind their front edges, substantially as described.

88. In an air-plow, the combination with a double T-frame, 0f flexibleside wings extending from the upright of the frame, top

and bottom wings secured to the top and botplow, a collar movable on thesupport, and toggle-arms connected to the rear ends of the wings andpivotedto the collar, whereby the spread of the wings may be varied,substantially as described.

In testimony whereof I afiix my signature in presence of two witnesses.

FREDERICK P. BEMIS. Vitnesses:

HARRY S. WELCH, VERNON M. DUsEY.

